From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Thu, 31 Mar 2016 16:36:05 +0200 Subject: [Buildroot] [PATCH 0/2] xtensa noMMU support In-Reply-To: References: <1458228424-10330-1-git-send-email-jcmvbkbc@gmail.com> <20160331035749.2a03ba86@free-electrons.com> Message-ID: <20160331163605.51afd1dc@free-electrons.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hello, On Thu, 31 Mar 2016 06:20:51 +0300, Max Filippov wrote: > > Is this actually the case? > > The following patch would switch to elf2flt version that has xtensa support: > https://patchwork.ozlabs.org/patch/599708/ Ah, ok. I need to respin this series then. > But I realize that elf2flt build is not enabled for xtensa, even with the > above patch. I'll send a fix that enables it. Seen your patch, thanks! > It is possible to run noMMU kernel and userspace on MMUv3 cores > with the mainline QEMU. Real noMMU cores need a fix that wasn't > accepted to the QEMU mainline: > http://qemu.11.n7.nabble.com/PATCH-0-3-target-xtensa-xtfpga-support-cores-without-MMU-td358668.html > I probably need to get back to it and make suggested changes. OK. Do you think you could submit a minimal defconfig that creates a noMMU Xtensa system that runs under Qemu? I think it would be quite useful, as it would the first noMMU Qemu configuration that we would have in Buildroot. Thanks! Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com